<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <link rel="stylesheet" href="http://at.alicdn.com/t/font_1891092_py7xqfmki7.css">
  <title>新拟态UI</title>
</head>
<style>
  body {
    background-color: #ebecf0;
  }

  .dropdown {

    display: flex;
    justify-content: center;
    align-items: center;
    width: 371px;
    height: 94px;
    border-radius: 17px;
    box-shadow: inset 5px 5px 10px #bec3c9, inset -5px -5px 10px #fff
  }

  .dropdown {
    font-size: 36px;
    font-weight: 200;
    color: #6D7587;

  }

  .iconfont {
    color: #6D7587;
    font-size: 36px;
  }

  .dropdown1 {

    display: flex;
    justify-content: center;
    align-items: center;
    width: 371px;
    height: 94px;
    border-radius: 17px;
    /* background: linear-gradient(145deg, #caced5, #f0f5fe); */
    box-shadow: 6px 6px 12px #bec3c9, -6px -6px 12px #fff;
    font-size: 36px;
    font-weight: 200;
    color: #6D7587;
  }
</style>

<body>
  <div class="container">

    <div class="second-line">
      <div class="left">
        

          <div class="dropdown">
            <div class="text">Dropdown</div>
            <i class="iconfont iconarrowdown"></i>
          </div>
          <div class="dropdown1">
            <div class="text">Dropdown</div>
            <i class="iconfont iconarrowdown"></i>
          </div>
        

      </div>

    </div>
  </div>
</body>

</html>